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5. PARAMETERS
Class No. Symbol Name and Function
Initial
Value
Unit
Setting
Range
Control
Mode
S
20 *OP2 Function selection 2:
Used to select restart after instantaneous power failure,
servo lock at a stop in speed control mode, and slight vibration
suppression control.
Restart after instantaneous
power failure
Stop-time servo lock selection
The shaft can be servo-locked to
remain still at a stop in the speed
control mode.
0: Valid
1: Invalid
Slight vibration suppression control
Used to suppress vibration at a stop.
0: Invalid
1: Valid
0
0: Invalid (Undervoltage alarm
(A.10) occurs.)
1: Valid
If the power supply voltage has
returned to normal after an
undervoltage status caused by the
reduction of the input power supply
voltage in the speed control mode,
the servo motor can be restarted
by merely turning on the start signal
without resetting the alarm.
0000
0000h
to
0111h
P
Expansion parameters
21 *OP3 Function selection 3 (Command pulse selection) :
Used to select the input form of the pulse train input signal.
(Refer to Section 3.4.1.)
Command pulse train input form
0: Forward/reverse rotation pulse train
1: Signed pulse train
2: A/B phase pulse train
Pulse train logic selection
0: Positive logic
1: Negative logic
00
0000 0000h
to
0012h
P